The High Top has quickly become the nation’s favourite chimney birdguard cowl. Designed to prevent unwanted bird and animal entry and to reduce the potential for clogging by soot or debris. Colt Cowls High Top Birdguard Advantages Fits all flues 170-250 diameter Corrosion resistant, 1 inch mesh Exceptional product quality Strap fixing kit included made from stainless steel Powder coated in non-corrosive terracotta paint Suitable for all fuels (besides gas). For particularly aggressive smokeless fuel types such as anthracite and furnacite the High Top Stainless Steel may provide an extended lifetime Specifications Internal Flue Size: 170mm to 250mmColour: Terracotta